Heating stove



Feb; 10, 1925. 1,525,958

I W. SCH U LTZ HEATING STOVE Original Filed March 26, 192-3 2Sheets-Sheet 1 i i 1 i /a 1 IN VEN TOR w. SCHULTZ HEATING swdvsOrigifial File'd March 26, 1923' 2 Sheets-Sheet 2 ATTORNEY Patented Feb.10, 1925.

PATENT OFFICE.

UNITED STATES WALTER SCHULTZ, OF NEW YORK, N. Y.

HEATING STOVE.

Original application filed March 26, 1923, Serial No. 627,776. Dividedand this application filed June 20, 1923. Serial No. 646,562.

To all whom it may concern:

Be it known that I, WALTER SCHULTZ, a citizen of the United States, andresident of the city of New York, in the county of Bronx and State ofNew Yorlnhaveihvented certain new and useful Improvements in HeatingStoves, of which the following is a specification, the samebeing adivision of application for United States Letters Patent Ser. No. 627,7? 6, filed March 26, 1923.

The present invention relates to improvements in electric stoves, andmore particularly to that type which has the structure or form of aradiator.

The main object of the invention is to provide a stove ot the charactermentioned, wherein the heat radiating walls are formed of sheet metal,and means are provided for heating and circulating a current of air.

A further object of the invention is to provide a stove of the typementioned having heat radiating walls which are given a rotary motion,thereby eii'ectively giving oil the heat to the surrounding air.

A further object of the invention is to produce a heating stove which issimple in construction, etlicient in operation, durable in use andcapable of manufacture on a commercial scale, or in other words onewhich is not so difiicult to make as to be beyond the reasonable cost ofsuch a contrivance. 1

With these and other objects in view, which will more fully appear asthe nature of the invention is better understood, the same consists inthe combination, arrangement and construction of parts hereinafterdescribed, pointed out in the appended claim and illustrated in theaccompanying drawings, it being understood that many changes may be madein the size and proportion of the several parts and details ofconstruction within the scope of the appended claim, without departingfrom the spirit or sacrificing any of the advantages of the invention.

A few of the many possible embodiments of the invention are illustratedin the accompanying drawings, in which:

Figure 1 is a front elevation, partly in section, of a stove constructedin accordance with the present invention; Fig. 2 is a similar elevationof a modified construction; Fig. 3 is a similar elevation of a furthermodification of the invention; Fig. 4 is a top plan view ofthe stoveshown in Fig. 3; Fig. his a central vertical-"section taken throu li aturther ,modification of the invention; an'dFig tS is a top plan view ofthe stove shown in Fig. 5.

Referring now first to the heater illustrated in Fig. 1 oi the drawings,the numeral 10 indicatesan elongated horizontally extendinglieatiiigcliainbei, mounted upon legs 11. lVith this chamber communicatetubular radiating bodies 12, extending, preferably, vertically and beingmade of sheet metal. The heating chamber is also made of sheet metal,although this is not essential. In the bottom of the heating chamber areformed air inlets 13, the radiating bodies being provided adjacent theirtops with air outlets 14, which are controlled by a gate or slide 15.Within the heating chamber is disposed an insulating body 16, preferablyin the form of a bar, on which are wound resistance coils 17 in anelectric circuit, that is supplied with energy from any suitable source.A switch or similar means may be employed for controlling the flow ofelectric energy into the resistance coil. For this purpose a plug 18 ofany preferred construction is used in the stove shown in Fig. 1.

The heat generated serves first to heat columns of air which tlow fromthe air inlets 13 into the heating chamber and leave the radiatingbodies through the outlets 1 1. In addition'to this, the radiatingbodies are also heated, giving oii the heat by direct radiation. As thesizes of the outlets 1e are varied by means of the gate or slide 15, thequantity of air passing through the heater is changed according to therequirements.

The modification illustrated in Fig. 2 of the drawings comprises aheating chamber 19, with which communicates a radiating coil 20, boththe coil and chamber being made of sheet metal. The chamber is providedwith air inlets 21 and the free end of the coil with air outlets 22. Theair inlets and also the air outlets are controlled by a valve 23. Withinthe heating chamber is disposed an electric heater 24 of the typedescribed in connection with Fig. 1 of the drawings. The operation ofthis device is obvious from the foregoing.

The modification illustrated in Figs. 3 and 4 of the drawings comprisesa hollow radiating. body 25, extending, preferably, vertically andhaving a star l'ike transverse cross-section. This body is made ofsheetmetal, is open at its bottom and, closedat its top. The radiating bodyis mounted upon legs 26, whereby free access of air to the radiatingbody is provided, the heated air. leaving the radiating body;throughoutlet openings 27 in its top, which outlets are controlledby avalve 28 of any suitable construction. An electric heater 29 is disposedin theradiating body, above its open bottom, heating the current of aircirculating through the radiating body and also heating the said body,which gives off heat by direct radiation.

The modification illustrated in Figs. 5 and 6 of the drawings comprisesa hollow base 30,- on which is mounted a heating chamber 31, carrying avertically extending spindle 32. On this spindle is. mounted a radiatingbody 33 of the type described in connection with Figs. 3 and 40f thedraw ings, the only ditlerence'being that it is closed at: its bottom,as shown at 34:. Both this bottom and thetop of the-radiating body maybe provided with perforations 35, those in. the bottom forming airinlets and those in the top air outlets. lVithin the heating chamber isdisposed an electric heater 36. The radiating body is, when the heateris. in operation, continuously rotated, for instance by means of anelectric .motor 37, by the intermediary of a train of gears, includingin the case illustrated a gear 38 on the shaft oi the motonmlin meshwith a gear 39, which is fixed to a vertically extending spindle 40, thesaid spindle carrying also a pinion L1, in mesh with an internal gear42, which is secured to the underface of a bottom 3% of the radiatingbody. XV ien the circuit of the motor is closed,--the radiating body 33is rotated on the spindle 32, thereby giving up'heat to the surroundingair. r

What I claim is An electric heating stove, including a radiating bodythrough which air is adapted 1 to circulate, an electric heatingbody'for heating the an flowing through said radiating body, and meansfor rotating said radiating body. i

Signed at New York, in the county of New York, and State of New York,this 31st day of Mam AND. 1923.

' WVALTER SCHULTZ.

